Occurs in the high arctic and prefers low sedge-grass tundra and thickets of dwarf willow and birch (van Zyll de Jong 1999). Inhabit a variety of tundra communities, but optimum habitat is damp to wet with grasses and sedges (Bee and Hall 1956).
Bee, J.W. and E.R. Hall. 1956. Mammals of northern Alaska on the Arctic Slope. Univ. Kansas Mus. Nat. Hist. Misc. Publ. No. 8. 309 p.
van Zyll de Jong. 1999. Barren ground shrew, Sorex tundrensis. Pp. 44-45, in The Smithsonian book of North American mammals (D. E. Wilson and S. Ruff, eds.). Smithsonian Institution Press, Washington, D. C., in association with the American Society of Mammalogists.